451421471 has 2 divisors, whose sum is σ = 451421472. Its totient is φ = 451421470.

The previous prime is 451421459. The next prime is 451421489. The reversal of 451421471 is 174124154.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451421471 - 2¹⁸ = 451159327 is a prime.

It is a super-3 number, since 3×451421471³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is equal to p_23924324 and since 451421471 and 23924324 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451421431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225710735 + 225710736.

It is an arithmetic number, because the mean of its divisors is an integer number (225710736).

Almost surely, 2^451421471 is an apocalyptic number.

451421471 is a deficient number, since it is larger than the sum of its proper divisors (1).

451421471 is an equidigital number, since it uses as much as digits as its factorization.

451421471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 29.

The square root of 451421471 is about 21246.6814114581. The cubic root of 451421471 is about 767.1154632740.

The spelling of 451421471 in words is "four hundred fifty-one million, four hundred twenty-one thousand, four hundred seventy-one".